The Proto Challenger 3" Chrome Extension 3/8" Drive 1265 is a vintage tool made in the United States. This high-quality extension is designed to be used with a 3/8" drive for mechanics and automotive enthusiasts. The brand, Challenger, is known for producing durable and reliable tools, making this extension a valuable addition to any collection of vintage mechanics' tools. Its chrome finish adds a touch of retro style to any toolbox, making it both functional and aesthetically pleasing.